I have a president golf cart. I put in 4 die hard 12 volt deep cycle batteries
when I plug in the charger it goes all the way to the right. Then it will come down quickly and the cart will go fast for a short way and then loose power.
is it the charger. Thanks

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I have a president golf cart. I put in 4 die hard 12 volt deep cycle batteries
when I plug in the charger it goes all the way to the right. Then it will come down quickly and the cart will go fast for a short way and then loose power.
is it the charger. Thanks

When did you replace the batteries and how has the cart been used since then? Are these golf cart batteries or just deep cycle marine?

I bought the marine batteries 3 weeks ago and used the cart around the park a lot. drove it to the golf course in the park about 2 miles. Played 18 holes 3 or 4 times. the charger always went all the way to the right. the last time I was going to the golf course it slowed down at the 1 mile and when I got it home the charger would go up to the right and start to come down quickly about 30 to 45 seconds

Marine batteries are for boats, not carts. Can't tell you exactly what the problem is but your cart requires batteries that are made for carts. If marine batteries were a viable solution, a lot of us could save a ton of money buying them instead of cart batteries. There is a technical explanation for your problem and maybe someone will post it, but the bottom line is the problem is using the wrong type of battery.

I had marine batteries in my cart when I bought it. Although they did not last long, they should last longer than a few weeks. I doubt if that is the problem unless one of them has gone bad. I would charge them individually with a 12v charger to see if that made a difference. That way you have taken your current charger and the OBC out of the equation. If the results are the same I would get the batteries checked. In the mean time, be shopping for golf cart batteries. The marine batteries that came in my cart lasted less than a year.

My point is don't expect them to charge the same, act the same, last the same as cart batteries. As long as you use incorrect batteries, it is difficult or impossible to come to this forum and expect answers or solutions. You can dick around with the batteries all you want and 48v will make the cart go, but you won't get the same performance nor should expect anything else to be "normal".

. . . this is probably the best response I have found when comparing golf cart batteries to marine batteries . .

"Golf cart batteries and marine batteries are two different creatures. Marine batteries don't care for as much jostling around as you generally do in an RV (or electric car, or golf cart), and they weren't designed for it. So, no matter what the voltage or amp-hourage you've got in a marine battery, it's not well adapted to the environment in which you're asking it to work. They die young. Golf cart batteries are a really tough, sturdy type of deep cycle battery that tolerate deep discharges, fast discharges, and jostling and bouncing around a golf course. Marine batteries are not as tough, and they wear out quicker."